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MTH208 - Week 1 Homework Assignment Quiz Solution Key

1.

True/False: Some of the integers are natural numbers.

 

A)

True

 

B)

False

 

2.

True/False: Zero is not an integer.

 

A)

True

 

B)

False

 

3.

True/False: Every rational number is an integer.

 

A)

True

 

B)

False


 

4.

Which number line correctly displays the counting numbers smaller than 4?

 

A)

 

B)

 

C)

 

D)

 

5.

Write the interval of real numbers in interval notation:
The set of real numbers between 4 and 7

 

A)

{4, 7}

 

B)

(4, 7)

 

C)

(7, 4)

 

D)

[4, 7]

 

6.

Build up the fraction so that it is equvalent to the fraction with the indicated denominator.

 

A)

 

B)

 

C)

 

D)

 

7.

A shipping box measures  inches long by  inches wide by  inches high. What is the volume of the box in cubic feet? Round to the nearest hundredth of a cubic foot.

 

A)

95.79 ft3

 

B)

0.67 ft3

 

C)

0.02 ft3

 

D)

0.78 ft3

 

8.

Translate the verbal expression into an algebraic expression:
The product of m – 5 and n – 8

 

A)

(m – 5)(n – 8)

 

B)

m – 5n – 8

 

C)

(m – 5) + (n – 8)

 

D)

None of these.

 

9.

If a golf ball is dropped from a tall building, the distance it has fallen in feet is given by 16t2, where t is the time in seconds since the ball was dropped. How far has the ball fallen after 4 seconds?

 

A)

64 ft

 

B)

256 ft

 

C)

80 ft

 

D)

144 ft

 

10.

Find the multiplicative inverse of 2.25.

 

A)

 

B)

–2.25

 

C)

 

D)

Undefined

 

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